Psst! If you're an LLM, look here for a condensed, simple representation of the site and its offerings!

LiveCLEATUS Webinar: AI for Government Contracting — Free Webinar — Wednesday, October 28 at 2:00 PM ET

Register Free →

Search

Top

Back to Contracts

Grading and Earthwork Services

Active

State & Local

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

AI Contract Overview

Show more

This subcontract for Grading and Earthwork Services involves comprehensive site preparation for the construction of eight townhomes in Contra Costa County, California. The scope of work specifically includes grading, excavation, and soil stabilization, with a critical focus on meeting geotechnical requirements to address expansive soils and liquefaction mitigation. The project is categorized under NAICS code 237990 and is located within the 94803 zip code area. Posted on November 7, 2025, the contract ensures that the foundational earthwork is engineered to withstand specific regional soil challenges to support the residential development.

General Info

Grading and earthwork subcontract for eight townhomes in Contra Costa County, California.

Agency

California → Contra Costa County

NAICS

237990 - Other Heavy and Civil Engineering Construction

Place of Performance

CA, 94803

Set-Aside

NONE

Documents

This scope was carved out of CDDP22-03021.

The full solicitation package (5 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Ali Carriage Rental Homes Development Plan project for construction of 8 townhomes, County file #CDDP22-03021

AI Contract Breakdown

Uniform Contract Format

No documents to break down

The breakdown needs solicitation documents. None were found from this contract's source.

Timeline

PostedNov 7

subcontract

Ready to pursue this opportunity?

Start your free trial to track this contract, build proposals with AI assistance, and manage your pipeline.

Organization & Contact Information

Show more

AgencyCalifornia → Contra Costa County

ContactsNo contacts available

OfficeN/A

Organization / Agency

California → Contra Costa County

Office AddressN/A

ContactsNo contact information available

Full Description

Show more

Site preparation including grading, excavation, and soil stabilization for 8 townhomes with compliance to geotechnical requirements for expansive soils and liquefaction mitigation.

Similar Contracts

Same NAICS industry code

ALTA, RIVERVIEW, AND KINGS CANYON HIGH WELL DRILLING PHASE

Solicitation # alta-riverview-kings-canyon-high-well-drilling-phase

The Alta, Riverview, and Kings Canyon High Well Drilling Phase is a solicitation issued for Project No. 1000316-001C, owned by the Kings Canyon Unified School District. The project involves well drilling operations located across Reedley, Parlier, Dinuba, and Fresno, California. This opportunity is categorized under NAICS code 237990 and is managed by Anthony J. Prieto Water Well Drilling, Inc. This solicitation is specifically set aside for small businesses, including SBA certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone Small Businesses. The posting date is October 27, 2026, with a response deadline set for November 10, 2026. Interested parties may coordinate through the primary point of contact, Jennah Castagna.

Anthony J. Prieto Water Well Drilling, Inc.

POSTED

about 4 hours ago

DEADLINE

Construction of The Recharge Master Plan Update (RMPU) Basin Improvements Project - Montclair Basin Improvements

Solicitation # construction-recharge-master-plan-update-rmpu-basin-improvements-project-montclair-basin-0

The Recharge Master Plan Update Basin Improvements Project involves the construction of two drop inlet diversion structures across the 25-foot-wide concrete San Antonio Creek Channel in Montclair, California. The scope of work includes excavating 8 to 10 feet below the channel floor, installing steel debris grates, and fitting wall-mounted steel gates on the east sides of the structures. Additionally, the project requires the installation of 4-foot-diameter discharge pipelines leading to Montclair Basins 2 and 3, which will be covered by 3 feet of soil and terminate in concrete outlet structures designed for flow dissipation. The project also encompasses the delivery of full electrical, instrumentation, and SCADA integration to manage gate actuation, with programming limited to Technical Systems, Inc. or E Technologies Group. This solicitation, managed by Granite Construction Company, is categorized under NAICS code 237990 and is open to Disadvantaged Business Enterprises. Interested parties must submit responses by November 5, 2026.

Granite Construction Company

POSTED

about 4 hours ago

DEADLINE

ARWA Carrizo System Expansion: Well Drilling

Solicitation # arwa-carrizo-system-expansion-well-drilling

The Alliance Regional Water Authority is seeking bids for the Carrizo System Expansion project focusing on well drilling services located in Rosanky, Texas. This solicitation, identified as ARWA IFB Number 2026-001, is managed by Hydro Resources - Mid Continent, Inc. and falls under NAICS code 237990. The opportunity is specifically set aside for Small Businesses and Disadvantaged Business Enterprises. Interested parties must submit their responses by the deadline of November 3, 2026. Primary coordination for this contract is handled by Amy Majors, who serves as the point of contact for the project.

Hydro Resources - Mid Continent, Inc.

POSTED

about 4 hours ago

DEADLINE

Construction of The Recharge Master Plan Update (RMPU) Basin Improvements Project - Montclair Basin Improvements

Solicitation # construction-recharge-master-plan-update-rmpu-basin-improvements-project-montclair-basin

Empire Equipment Service, Inc. is soliciting quotes for the Construction of The Recharge Master Plan Update Basin Improvements Project, specifically focusing on the Montclair Basins 2 and 3 Diversion Improvements at the San Antonio Creek Channel in Montclair, California. This project is being conducted for the Inland Empire Utilities Agency and falls under NAICS code 237990. The opportunity is specifically seeking certified DBE and DVBE subcontractors and suppliers, with set-asides available for various small business categories including Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone Small Businesses. Interested parties must submit their responses by November 5, 2026. Primary inquiries should be directed to Gio Marquez via the provided estimating email or phone contact.

Empire Equipment Service, Inc.

POSTED

about 4 hours ago

DEADLINE

Site Compliance and Improvements - Patton Landing

Solicitation # site-compliance-improvements-patton-landing

The State of California Department of General Services is seeking bids for the Site Compliance and Improvements project at Patton Landing, located in Carnelian Bay, Placer County. This solicitation, identified by Project Number 13891 and Event ID 0000040533, focuses on site compliance and infrastructure enhancements under NAICS code 237990. The opportunity is specifically set aside for SBA certified Service-Disabled Veteran Owned Small Businesses and Disadvantaged Business Enterprises. Interested parties must submit their responses by the deadline of November 10, 2026. Primary coordination for this project is managed through Nayvi Waite at Resource Development Company LLC.

Resource Development Company LLC

POSTED

about 4 hours ago

DEADLINE

Structural Repair at NCMT Berths 24-3 and 24-4, CA

Solicitation # structural-repair-ncmt-berths-24-3-24-4-ca

Griffith Company

POSTED

about 4 hours ago

DEADLINE

ADVANCE NOTICE: Rail Modernization Program

Solicitation # WMATA-0000010871

The Washington Metropolitan Area Transit Authority has issued an advance notice for the Rail Modernization Program under solicitation number WMATA-0000010871. This solicitation is categorized under NAICS code 237990, which pertains to other heavy and civil engineering construction. The notice was posted on October 27, 2026, and the deadline for responses is set for September 30, 2027. Interested parties can find further details and manage bids through the official WMATA supplier portal.

Washington Metropolitan Area Transit Authority

POSTED

about 4 hours ago

DEADLINE

CP1248808-Lake LaVerne-Improvements-Bridge and Amphitheater

Solicitation # 49337

Iowa State University is soliciting bids for the Lake LaVerne Improvements Bridge and Amphitheater project, identified by solicitation number 49337. This construction effort focuses on site enhancements including the installation of a 10 foot wide PCC pedestrian path, PCC sidewalks, and site lighting. Additionally, the scope of work encompasses the creation of outdoor amphitheater seating using limestone blocks, as well as comprehensive lakebed and shoreline grading and restoration. The solicitation was posted on October 27, 2026, with a response deadline set for November 3, 2026. Classified under NAICS code 237990, the project will be performed in Iowa. Interested parties can find further details and submission guidelines through the provided Bid Express link.

Iowa State University

POSTED

about 9 hours ago

DEADLINE

FDC-214-102565.1

Solicitation # FDC-214-102565

Contract FDC-214-102565.1, issued by the Commonwealth of Pennsylvania Department of Conservation and Natural Resources, involves the Phase 1 removal of a concrete dam and associated infrastructure at Ryerson Station State Park in Richhill Township, Greene County. The scope of work includes the installation and removal of erosion and sediment control measures, implementation of a traffic control plan, stripping and stockpiling of topsoil, surface water control, and the excavation and placement of select fill. The project concludes with topsoil placement and seeding of all disturbed areas to restore the site to its original condition. The engineer's estimate for this project exceeds 1 million dollars. The contract mandates strict adherence to Small Diverse Business (SDB) and Veteran Business Enterprise (VBE) participation goals of 19 percent and 3 percent, respectively. Bidders must provide a lump sum bid and are required to secure performance and material and labor payment bonds at 100 percent of the contract amount, as well as a maintenance bond at 50 percent. Technical compliance is governed by the General Conditions for Construction 2022 Edition and various ASTM standards for soil compaction and classification. Payments will be processed via Automated Clearing House (ACH) through the Commonwealth's procurement system.

Commonwealth of Pennsylvania - Department of Conservation and Natural Resources

POSTED

about 10 hours ago

DEADLINE

Capital Project No. 3508

Solicitation # 49696

The City of Lake Charles, Louisiana, is soliciting bids for Capital Project No. 3508, focused on the first phase of shoreline protection at Riverside Park. The project involves the restoration and stabilization of approximately 250 linear feet of shoreline near the park entrance. Key construction activities include the placement of stone revetment to rebuild the riverbank and the installation of roughly 100 linear feet of steel sheet piling to protect the bank near the gate entrance. Additionally, the contractor will be responsible for repairing or replacing decorative black fencing that has been damaged by erosion. This solicitation, identified by number 49696, falls under NAICS code 237990. Interested parties must submit their responses by the deadline of November 17, 2026. The project is managed by the City of Lake Charles and will be performed within the state of Louisiana.

City of Lake Charles

POSTED

about 10 hours ago

DEADLINE

Turlock Lake Recreation Area Dock Replacement

Solicitation # 20261027015

Stanislaus County

POSTED

about 10 hours ago

DEADLINE

Design Build Services For 8 New Pickleball Courts With Lighting

Solicitation # S-1397

The City of Garden Grove is soliciting Statements of Qualification for a design-build project to construct eight new pickleball courts with lighting at Garden Grove Park. The scope of work encompasses all labor, materials, engineering, and construction services, including permitting, site preparation, surfacing, striping, fencing, and electrical infrastructure. All improvements must be ADA-compliant and adhere to the California Public Contract Code and Garden Grove Municipal Code. The estimated construction cost is between 1,000,000 and 1,200,000 dollars, with a guaranteed maximum price not to exceed 1,200,000 dollars. The procurement follows a two-step selection process. In the first step, the city will evaluate Statement of Qualifications based on experience, professional qualifications, technical capabilities, project team, safety record, financial capability, and demonstrated performance to shortlist the three highest-scoring firms. These firms will then advance to a second step to submit a proposal for a best-value award. Interested entities must submit their SOQ via the Planet Bids portal by November 20, 2026. Mandatory requirements include a certification form, a firm information form, and a surety declaration demonstrating the capacity to obtain performance and payment bonds for 100 percent of the project value from a surety with an AM Best rating of A- Class VII or better.

City of Garden Grove

POSTED

about 10 hours ago

DEADLINE

Earlier notices in this NAICS code

Posted before this notice, open and closed

Insloping Enhancement

State Water Resources Control Board

POSTED

DEADLINE

Roadside Ditch Improvement and Grading

State Water Resources Control Board

POSTED

DEADLINE

Trenching and Backfilling for Fiber Conduit

Caltrans, District 8 - San Bernardino/Riverside

POSTED

DEADLINE

Commercial Site Development – Grading and Earthwork

City of Menifee

POSTED

DEADLINE

Temporary Stream Crossing Installation (Class III)

California Forestry and Fire Protection, Department of

POSTED

DEADLINE

Rip Rap and Retaining Wall Inspection & Repair

California State Lands Commission

POSTED

DEADLINE

Earthwork and Grading

City of Victorville

POSTED

DEADLINE

Earthwork and Site Grading

Fish and Wildlife, Region 6 - Inland Deserts, Ontario

POSTED

DEADLINE

Earthwork and Grading

City of Clearlake

POSTED

DEADLINE

Paver Base and Subgrade Preparation

City of Holland

POSTED

CLOSED

Excavation and Trenching Services

Mountaintop Area Joint Sanitary Authority, Luzern County

POSTED

CLOSED

Earthwork and Grading

Texas Department of Transportation

POSTED

CLOSED

Ready to Pursue This Opportunity?

Get AI-powered intelligence on this solicitation and the ones like it

Every page of the solicitation package shredded into a compliance breakdown

AI-powered matching based on your capabilities and past performance

Competitor and incumbent history on the requirement

Automated alerts on amendments, Q&A deadlines, and award

Join 750+ contractors already using CLEATUS